330/366 = ≈90.16%
Rounded to 2 decimal places.
A value like 330 out of 366 could describe a school attendance record, such as being present on 330 of 366 scheduled days or sessions. It could also represent how often a machine, service, or habit succeeds over many attempts, at about 90.16%.
To picture it quickly, imagine a group of 100 items with about 90 shaded or completed and 10 left over. Since the fraction is slightly above 90%, you can estimate it as roughly nine out of every ten.
A common mistake is treating 330/366 as exactly 90% when it is a little higher. Another point of confusion is assuming the percentage tells the whole story, since 330 successes out of 366 trials may mean something different from 90 successes out of 100.